Champion RF-9Y Spark Plug
type: Unknown Type
Vendor: CorvairFarmer
Description:
CHECK YOUR OWN BOOKS - THIS RESEARCH WAS CONDUCTED USING "ai" AND IT IS NOT ALWAYS CORRECT!
✅ CHAMPION RF-9Y — VERIFIED FITMENT GUIDE
🔧 Technical Specs
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Thread Size: 14mm
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Reach: ~0.375"
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Seat Type: Tapered
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Hex Size: 5/8"
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Resistor: Yes
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Heat Range: Slightly cooler than RF-11Y
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Tip Design: Projected tip
📋 Cross-Reference Matches
| Brand | Equivalent Part # |
|---|---|
| ACDelco | R83CTS |
| Autolite | 33, 45 |
| NGK | APR6FS (2922) |
| Denso | MA20PR-U (5013) |
| Motorcraft | BRF22, BSF42CF4 |
| Bosch | DR8BC, D7A |
🚗 Verified Vehicle Fitment
| Make | Engine / Model | Years |
|---|---|---|
| Ford | Mustang, Falcon, Fairlane V8 | 1960–1974 |
| Mercury | Comet, Capri, Zephyr V8 | 1960–1983 |
| AMC | Hornet, Gremlin V8 | 1970s |
| Jeep | CJ5, CJ7 V8 | 1970s–1980s |